Umag, Croatia:Top-seeded Nikolay Davydenko saved five set points in the first set on Friday before reaching the semifinals of the Croatia Open with a 7-6 (10), 6-1 win over Simone Bolelli of Italy.
Bolelli had two set points at 6-5 and three more in the tiebreaker. It was Davydenko's eighth singles win in a row after taking the German Open title last weekend. The Russian missed nearly four months at the start of the year with injuries, but is 16-3 since the French Open.
Bolelli fell to 0-20 against top-10 ranked players.
Juan Carlos Ferrero of Spain also advanced by beating Maximo Gonzalez of Argentina, 7-5, 6-2 to set up a semifinal against Andreas Seppi of Italy. Seppi ousted Chile's Nicolas Massu 6-4, 6-4.
In the last quarterfinal, Ivan Ljubicic of Croatia played Austria's Jurgen Melzer.